9331212 has 48 divisors (see below), whose sum is σ = 23933952. Its totient is φ = 2806080.

The previous prime is 9331211. The next prime is 9331241. The reversal of 9331212 is 2121339.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9331211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29278 + ... + 29594.

It is an arithmetic number, because the mean of its divisors is an integer number (498624).

Almost surely, 2^9331212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9331212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11966976).

9331212 is an abundant number, since it is smaller than the sum of its proper divisors (14602740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9331212 is a wasteful number, since it uses less digits than its factorization.

9331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 556 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 9331212 is about 3054.7032589108. The cubic root of 9331212 is about 210.5293673987.

It can be divided in two parts, 933 and 1212, that added together give a triangular number (2145 = T₆₅).

The spelling of 9331212 in words is "nine million, three hundred thirty-one thousand, two hundred twelve".